期刊
AUSTRALIAN PRESCRIBER
卷 41, 期 3, 页码 82-85出版社
NATL PRESCRIBING SERVICE LTD
DOI: 10.18773/austprescr.2018.017
关键词
clinical registries; clinical trials; observational studies
资金
- NHMRC Early Career Fellowship
Randomised controlled clinical trials are the best source of evidence for assessing the efficacy of drugs. Observational studies provide critical descriptive data and information on long-term efficacy and safety that clinical trials cannot provide, at generally much less expense. Observational studies include case reports and case series, ecological studies, cross-sectional studies, case-control studies and cohort studies. New and ongoing developments in data and analytical technology, such as data linkage and propensity score matching, offer a promising future for observational studies. However, no study design or statistical method can account for confounders and bias in the way that randomised controlled trials can. Clinical registries are gaining importance as a method to monitor and improve the quality of care in Australia. Although registries are a form of cohort study, clinical trials can be incorporated into them to exploit the routine follow-up of patients to capture relevant outcomes.
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